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2-3-1
Nuclear
Biological
Chemical
AIRCREWAIRCREW CBR ENSEMBLECBR ENSEMBLEFitting ProceduresFitting Procedures
Chemical
Biological
Radiological
2-3-2
TERMINAL OBJECTIVETERMINAL OBJECTIVE
2.3.0 To familiarize Flight Equipment 2.3.0 To familiarize Flight Equipment personnel with the proper procedures for personnel with the proper procedures for correctly fitting aircrew with all components of correctly fitting aircrew with all components of the Aircrew CBR ensemble.the Aircrew CBR ensemble.
2-3-3
ENABLING OBJECTIVESENABLING OBJECTIVES
2.3.1 Discuss the procedures for mask fitting.2.3.1 Discuss the procedures for mask fitting.2.3.2 Perform procedures for orinasal mask 2.3.2 Perform procedures for orinasal mask
sizing.sizing.2.3.3 Perform procedures for hood sizing2.3.3 Perform procedures for hood sizing2.3.4 Perform procedures for fitting of nose 2.3.4 Perform procedures for fitting of nose
occluder.occluder.2.3.5 2.3.5 Discuss final fitting and adjustment Discuss final fitting and adjustment
procedures.procedures.2.3.6 Discuss the procedures for BTN fitting.2.3.6 Discuss the procedures for BTN fitting.
2-3-4
OVERVIEWOVERVIEW
IntroductionIntroduction Initial sizing, fitting and adjustmentInitial sizing, fitting and adjustment
– Orinasal maskOrinasal mask– HoodHood– Nose occluderNose occluder
Final fitting and adjustment Final fitting and adjustment Fitting of BTNFitting of BTN
2-3-5
INTRODUCTIONINTRODUCTION
The procedures shall be performed at the The procedures shall be performed at the designated organizational maintenance level designated organizational maintenance level by a qualified Aircrew Survival by a qualified Aircrew Survival Equipmentman.Equipmentman.
NOTENOTETo make up a complete assembly, the To make up a complete assembly, the
appropriate mask assembly and nose appropriate mask assembly and nose occluder kit must be individually requisitioned.occluder kit must be individually requisitioned.
2-3-6
INITIAL SIZING and INITIAL SIZING and FITTINGFITTING
Mask Preparation Mask Preparation – Select proper mask sizeSelect proper mask size– Remove rubber blanking plugs if nose Remove rubber blanking plugs if nose
occluder is to be used.occluder is to be used.
NOTENOTE
Retain blanking plugs for future use if mask Retain blanking plugs for future use if mask is converted to variant 1is converted to variant 1
2-3-7
ATN SIZING and ATN SIZING and FITTINGFITTING
Orinasal mask sizingOrinasal mask sizing– Invert hood to expose the maskInvert hood to expose the mask– Hold mask firmly to faceHold mask firmly to face– Crimp hoses so no air can be breathed Crimp hoses so no air can be breathed
throughthrough– Inhale deeply to test mask seal Inhale deeply to test mask seal
Video
2-3-10
ATN SIZING and ATN SIZING and FITTINGFITTING
Hood sizingHood sizing– Don skull cap and/or headbandDon skull cap and/or headband– Turn pusher fan “ON”Turn pusher fan “ON”– H-manifold knob in horizontal “ON” H-manifold knob in horizontal “ON”
position.position.– Hood outlet valve open vs closedHood outlet valve open vs closed– Don the hoodDon the hood
Video
2-3-13
ATN SIZING and ATN SIZING and FITTINGFITTING
Nose occluder fittingNose occluder fitting– Select nose occluder sizeSelect nose occluder size
60% wear 6L60% wear 6L
– Apply Krytox to shaft assemblyApply Krytox to shaft assembly– Lubricate o-ring sealsLubricate o-ring seals– Insert shaft assembliesInsert shaft assemblies– Position stirrup assemblyPosition stirrup assembly– Check functionCheck function
Refer to Fitting Flow Diagram for trouble shooting.Refer to Fitting Flow Diagram for trouble shooting.
Video
2-3-15
NOSE OCCLUDERNOSE OCCLUDER
2-3-16
FITTING FLOW FITTING FLOW DIAGRAMDIAGRAM
2-3-17
FINAL FITTING & FINAL FITTING & ADJUSTMENTADJUSTMENT
Donning for fittingDonning for fitting– Don CMU-29(V)1/P or (V)2/P vestDon CMU-29(V)1/P or (V)2/P vest– Don skull capDon skull cap– Turn pusher fan “ON”Turn pusher fan “ON”– H-manifold horizontal “OPEN”H-manifold horizontal “OPEN”– Don the hood (hood outlet valve “OPEN”)Don the hood (hood outlet valve “OPEN”)– Pusher fan “OFF”Pusher fan “OFF”– Don helmetDon helmet
2-3-18
FINAL FITTING & FINAL FITTING & ADJUSTMENTADJUSTMENT
Donning for fitting (cont.)Donning for fitting (cont.)– Connect intercommunication unitConnect intercommunication unit– Pusher fan “ON”Pusher fan “ON”– Connect toggle harness assembly to helmetConnect toggle harness assembly to helmet– Flip V-bow down in to flight positionFlip V-bow down in to flight position– Clamp hood ventilation hoseClamp hood ventilation hose– Wearer holds breathWearer holds breath– Check for leaksCheck for leaks
Perform location drills and EPsPerform location drills and EPs
2-3-19
BTN FITTINGBTN FITTING Chemical Chemical Under-Under-garmentsgarments– Check Check
sitting, sitting, crouching, crouching, and reachingand reaching
– Avoid Avoid issuing a issuing a bulky or bulky or oversized oversized linerliner
– Correct fit Correct fit allows allows proper proper integration integration with flight with flight suitsuit
2-3-20
BTN FITTINGBTN FITTING
Gloves & Inserts (old style gloves)Gloves & Inserts (old style gloves)– Issued as a setIssued as a set– Snug but not restrictive fitSnug but not restrictive fit– Correct fit allows proper integration with Correct fit allows proper integration with
flyer’s glovesflyer’s gloves Gore HSF linerGore HSF liner
– Snug but not restrictive fitSnug but not restrictive fit– Worn with Canadian flight gloves Worn with Canadian flight gloves
2-3-21
BTN FITTINGBTN FITTING
Disposable footwear coversDisposable footwear covers– Find best fitFind best fit
Chemical protective socksChemical protective socks– One size only, no fit requiredOne size only, no fit required
2-3-22
Lessons LearnedLessons Learned Aircrew should plan on using winter sized Aircrew should plan on using winter sized
flight gear.flight gear. Go one to two sizes up on flight gloves (for Go one to two sizes up on flight gloves (for
old system gloves)old system gloves) Have G-Suit fit check prior to donning.Have G-Suit fit check prior to donning. CPU measurement. Top =flight suit size. CPU measurement. Top =flight suit size.
Drawers = Jean waist size Drawers = Jean waist size Proper ensemble fitting is critical for CBR Proper ensemble fitting is critical for CBR
protection and aircrew comfort. protection and aircrew comfort. When fitting recommend leaving 6L nose When fitting recommend leaving 6L nose
occluder in mask as 75% wear this size. Have occluder in mask as 75% wear this size. Have another mask in which you can switch out another mask in which you can switch out nose occluder sizesnose occluder sizes
2-3-23
Questions?Questions?
How do you How do you size for the size for the mask? mask?
How do you How do you size for the size for the CPUs?CPUs?
How do you How do you size for the CBR size for the CBR socks?socks?
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